- Replacement for 1825 Port
- Compact design to fit in tight spaces with improved flow capacity
- Dual port staged valves adjust to airflow conditions making entry/exit easier
- Heater coupled directly to louver mitigates frost accumulation
- 4” to 6” telescopic adjustment provides flexibility for multiple wall thicknesses
- High-flow capacity for walk-in coolers up to 7,000 cf and freezers up to 3,500 cf (per port)